From 6d759899d85939c95f2b97c8e041d7b4865208f9 Mon Sep 17 00:00:00 2001
From: WitherOrNot
Date: Sat, 1 Mar 2025 02:01:39 -0500
Subject: Add partial support (zcid, rtmr, non-functional kms4k) for vista

Co-authored-by: InvoxiPlayGames <22731889+InvoxiPlayGames@users.noreply.github.com>
---
 LibTSforge/SPP/SPSys.cs | 47 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 47 insertions(+)
 create mode 100644 LibTSforge/SPP/SPSys.cs

(limited to 'LibTSforge/SPP/SPSys.cs')

diff --git a/LibTSforge/SPP/SPSys.cs b/LibTSforge/SPP/SPSys.cs
new file mode 100644
index 0000000..10b8d04
--- /dev/null
+++ b/LibTSforge/SPP/SPSys.cs
@@ -0,0 +1,47 @@
+namespace LibTSforge.SPP
+{
+    using Microsoft.Win32.SafeHandles;
+    using System;
+    using System.Collections.Generic;
+    using System.Linq;
+    using System.Runtime.InteropServices;
+    using System.Text;
+
+    public class SPSys
+    {
+        [DllImport("kernel32.dll", CharSet = CharSet.Auto, SetLastError = true)]
+        private static extern IntPtr CreateFile(string lpFileName, uint dwDesiredAccess, uint dwShareMode, IntPtr lpSecurityAttributes, uint dwCreationDisposition, uint dwFlagsAndAttributes, IntPtr hTemplateFile);
+        private static SafeFileHandle CreateFileSafe(string device)
+        {
+            return new SafeFileHandle(CreateFile(device, 0xC0000000, 0, IntPtr.Zero, 3, 0, IntPtr.Zero), true);
+        }
+
+        [return: MarshalAs(UnmanagedType.Bool)]
+        [DllImport("kernel32.dll", CharSet = CharSet.Auto, SetLastError = true)]
+        public static extern bool DeviceIoControl([In] SafeFileHandle hDevice, [In] uint dwIoControlCode, [In] IntPtr lpInBuffer, [In] int nInBufferSize, [Out] IntPtr lpOutBuffer, [In] int nOutBufferSize, out int lpBytesReturned, [In] IntPtr lpOverlapped);
+
+        public static bool IsSpSysRunning()
+        {
+            SafeFileHandle file = CreateFileSafe(@"\\.\SpDevice");
+            IntPtr buffer = Marshal.AllocHGlobal(1);
+            int bytesReturned = 0;
+            DeviceIoControl(file, 0x80006008, IntPtr.Zero, 0, buffer, 1, out bytesReturned, IntPtr.Zero);
+            bool running = Marshal.ReadByte(buffer) != 0;
+            Marshal.FreeHGlobal(buffer);
+            file.Close();
+            return running;
+        }
+
+        public static int ControlSpSys(bool start)
+        {
+            SafeFileHandle file = CreateFileSafe(@"\\.\SpDevice");
+            IntPtr buffer = Marshal.AllocHGlobal(4);
+            int bytesReturned = 0;
+            DeviceIoControl(file, start ? 0x8000a000 : 0x8000a004, IntPtr.Zero, 0, buffer, 4, out bytesReturned, IntPtr.Zero);
+            int result = Marshal.ReadInt32(buffer);
+            Marshal.FreeHGlobal(buffer);
+            file.Close();
+            return result;
+        }
+    }
+}
-- 
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